CVE-2021-33523 : Security Advisory and Response

MashZone NextGen through 10.7 GA is vulnerable to a remote code execution attack, allowing an authenticated user to upload a malicious JDBC driver through the admin console and execute arbitrary commands on the host.

Understanding CVE-2021-33523

This section will provide an insight into the details of the CVE-2021-33523 vulnerability.

What is CVE-2021-33523?

The vulnerability in MashZone NextGen through version 10.7 GA enables a remote authenticated user to upload a new JDBC driver through the admin console, leading to the execution of arbitrary commands on the underlying host.

The Impact of CVE-2021-33523

The exploit allows attackers with access to the admin console to compromise the host system, potentially causing severe damage or unauthorized access to sensitive data.

Technical Details of CVE-2021-33523

Let's dive into the technical aspects of CVE-2021-33523 to understand its implications further.

Vulnerability Description

The vulnerability arises in 'com.idsscheer.ppmmashup.business.jdbc.DriverUploadController,' where the lack of proper input validation allows the upload and execution of malicious JDBC drivers.

Affected Systems and Versions

All versions of MashZone NextGen up to and including 10.7 GA are affected by this vulnerability.

Exploitation Mechanism

A remote authenticated user can exploit this vulnerability by uploading a specially crafted JDBC driver through the admin console to execute arbitrary commands on the host.

Mitigation and Prevention

Discover the steps to mitigate the CVE-2021-33523 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Immediately restrict access to the admin console and monitor for any unauthorized driver uploads. Consider implementing temporary workarounds until a patch is available.

Long-Term Security Practices

Regularly update and patch your MashZone NextGen installation to ensure that known vulnerabilities are addressed promptly. Conduct security audits and code reviews to identify and mitigate similar issues.

Patching and Updates

Stay informed about security updates released by the vendor and apply patches as soon as they are available to protect your system from potential exploits.